I asked:
> Can anyone fill out the gaps? In order to repair my broken 3/50 I need the
> pinout of the 96-pin power connector (P3) of Sun 3/50 or 3/60. What I have up
> to now are the -5V and GND pins (hoping they are correct), what I still need
> are the +5V and +12V pins.
The complete pinout for 3/50 and 3/60 (it worked for my 3/50):
P3: 96 pin DIN connector
+5V: 1-25
+12V: 26-27, 90-91
GND: 65-89
-5V: 30-32, 94-96 (last three in top and bottom rows, closest to the power
supply side)
The Sun 3/75 and 3/1x0 need further lines (these are unused in 3/50 and 3/60):
-12V: 28-29, 92-93 (not used by Sun 3/100 CPU board)
Data: 33-64 ("P2" data lines)
Looking onto the backplane (from the back of the computer into the [empty]
chassis):
===> Power
1 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 Supply
+-------------------------------------------------------------+
/o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o\c
33|o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o|b 64
|o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o|a
+---------------------------------------------------------------+
66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96
Some connectors are labeled with rows "a" to "c" instead:
1 -- 32 1 c -- 32 c
33 -- 64 <==> 1 b -- 32 b
65 -- 96 1 a -- 32 a
Thanks to all who replied, especially to:
+ Carl Mueller <mueller@cs.unc.edu>
+ Gary Cook <Gary.Cook@Corp.Sun.COM>
-- -- Addr. : Lutz Birkhahn, F"urther Str. 6, D-90556 Cadolzburg, Germany -- e-mail: lutz@bisun.nbg.sub.org, Tel.(voice): 09103 / 2886
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